-cracy
a combining form occurring in loanwords from Greek (aristocracy; democracy); on this model used, with the meaning “rule,” “government,” “governing body,” to form abstract nouns from stems of other origin: mobocracy; bureaucracy.
Compare
-crat.
British Dictionary definitions for -cracy
-cracy
n combining form
indicating a type of government or rule
plutocracy; mobocracy See also -crat
Word Origin for -cracy
from Greek
-kratia, from
kratos power